With the Wo Shing Society, Hong Kong's oldest triad, on the verge of electing a new chairman, the stage is set for an all-out battle between the two leading contenders, the highly respected Lok (Simon Yam) and the hotheaded loose cannon known as Big D (Tony Leung Ka Fai). When Big D suspects that he'll be passed over for the position, he threatens to start his own triad and launch a war against the Wo Shing Society.